JUKI SC-910 Page 67 Engineer'S Manual Download

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16. BLOCK DIAGRAM

(1) SC-910/SC-910A block diagram

– 63 –

AC INPUT CABLE A ASM.
(1ø 200 to 240V, CE)

POWER SW A
(3ø 200 to 240V)

POWER SW B
(1ø 100 to 120V)

POWER SW C
(1ø 200 to 240V)

(JS / JE / JME)

FLT_S PCB

CN1
AC INPUT

CN2
DC OUTPUT

CN3
RELAY
POWER

(JPN / JUS)

FLT_T PCB

CN1
AC INPUT

CN2
DC OUTPUT

CN3
RELAY
POWER

T6 - 1

T6 - 2

T6 - 3

T5 - 1

T5 - 2

T5 - 3

PWR PCB

CN12

CN11

CN10

CN13
+5V,+12V
+24V,+33V
OCRS,HEAT

26P

CN140

REGENERATIVE
RESISTANCE A (ASM.)

CN30
SYNCHRONIZER I/F

CN31
RESISTOR PACK

CN43
COOLING FAN POWER
* STOP WHEN HEAD IS

TILTED.

CN48
SAFETY SW
OPTIONSAL SW

CN46
BT, WP, TRM (CON, TL)
BTSW, FG

CN45
ED-3
EDDET, EDN

CN32
PEDAL FOR STANDING WORK
PK70, 71/COMMERCIALLY-
AVAILABLE PEDAL

CN47
OPTIONAL I/F

1. OUTPUT/INPUT FOR LH-4000
2. OUTPUT FOR DDL-5556
3. OUTPUT/INPUT FOR AE-4
4. D/A INPUT FOR BARDAN
5. OUTPUT FOR NEEDLE COOLER
6. I/F (RS-232C) FOR PC
7. CORRESPONDING TO DIN STANDARD
8. (AEC) I/F FOR AUTOMATIC MACHINE

CN40

AK118

CN42

EXTERNAL

OUTPUT/

INPUT

CN44

POWER I/F

SIGNAL

CN41

POWER

CN39

MOTOR ENCODER

CN38

MOTOR ENCODER

CN34

IP PANEL

CN35

CP-160

CN37

PEDAL I/F

CTL PCB

NEW

OLD

CN39

CN38

SYSTEM PEDAL

MOTOR

HIGH

TORQUE

MOTOR

STANDARD

PC UTILITY SOFTWARE
INITIAL VALUE SETTING
PRODUCTION CONTROL
INFORMATION

RS232C

CN109

CN105

UPSW

CN106

RS422

CN34

CN35

BOBBIN THREAD
REMAINING AMOUNT
DETECTION DEVICE (AE-4)

CN126
BARDAN IF

CN122
NEEDLE
COOLER
OUTPUT

CN120
+24V

CN124
RS-232C

CN128
LH-4000
LEFT/RIGHT
NEEDLE POSITION
SENSOR

CN125
LH-4000
LEFT/RIGHT
TEACHING
SW

CN121 • CN123

CN130

CN131

CN129

LH-4000/DDL-5556
LEFT/RIGHT SOL./

SUCTION, HOLD, FEED

CN127

DDL-5556 I/F

CN47

11P

10P

60P

CN30

CN31

CN43

CN48

14P

12P

CN45

CN32

13P

26P

CN40

CN41

26P

20P

MOTOR OUTPUT

CN121

CN123

SMART MEDIA

IO PCB

Summary of Contents for SC-910

Page 1: ...40012146 No E358 01 ENGINEER S MANUAL SC 910 SC 910A...

Page 2: ...for the main tenance personnel and operators at the apparel factory And this manual describes the contents and individual parts which are not described in the Instruction Manual It is advisable to us...

Page 3: ...unction setting list 27 4 Detailed explanation of selection of functions 34 6 CHANGING PROCEDURE OF THE PEDAL TYPE 48 1 Parts necessary for change 48 2 Attaching parts 48 3 Adjusting pedal depressing...

Page 4: ...56 13 MAINTENANCE 57 1 Replacing the fuse 57 2 Power voltage changeover procedure 58 14 Expansibility 59 15 REGARDING ERROR DISPLAY SC 910 SC 910A 60 1 Error code list SC 910 SC 910A 62 15 BLOCK DIAG...

Page 5: ...single phase 100 to 120V or for 3 phase 200 to 240V by replacing the power cord up to the power switch and changing the voltage changeover connector inside the box In addition it can be used for singl...

Page 6: ...l and stand Caster Air vent Pulley cover Resistance pack Oil amount indicating Thread stand Bobbin winder window SS SH PSC box SC 910 Thread cutter retainer Max speed control knob Thread release chang...

Page 7: ...switch Operation pedal Control panel Touch back switch Synchronizer Thread wiping wiper device L shaped thread stand Screw or caster for level adjustment of table stand PSC box SC 910 Resistor pack Ma...

Page 8: ...4 4 EXPLANATION OF CONTROL PANEL 1 List of control panels of CP 160 and IP 100 CP 160 IP 100...

Page 9: ...tch When the material edge is detected the machine will perform thread trimming even when keeping depressing the front part of the pedal Thread trimming prohibition switch Used for prohibiting thread...

Page 10: ...finishes the predetermined number of stitches in the process of CD If the automatic thread trimming is not selected operate the touch back switch after the machine has automatically stopped Then the...

Page 11: ...can be used as a small edge controller Method Adjust the position to mark of the CP 160 turn ON material end sensor ON OFF switch of the CP 160 and turn ON mark of the automatic one shot stitching Ca...

Page 12: ...n CD can be set up to 500 stitches If the stitch length is 2 mm it is possible to sew approximately 1 000 mm 1 m This function can perform the automatic one shot stitching without using the material e...

Page 13: ...ng machine heads for thick materials are likely to fail joining the seam at the section of the following figure even if the timing of reverse feed stitching at the end of sewing is compensated 1 At th...

Page 14: ...vel Operator level 1 Turn ON the power 2 Press switch to display the information screen Information screen operator level 1 Sewing management information For the sewing management information there ar...

Page 15: ...ndwheel to bring the needle bar to its UP position 2 Press switch for approximately three seconds to display the information screen 3 Press switches and corresponding to the various functions 2 Ver di...

Page 16: ...ment information is shown in reverse video Sewing management information screen Maintenance personnel level 4 Operation status screen The total record of the sewing machine is displayed Total operatio...

Page 17: ...with the sewing machine server utility hereinafter called SU 1 or the smart media can be performed in the communication mode For the communication mode there are the operator level and the maintenance...

Page 18: ...Communication setting 1 Data selection Press data selection switch in the communication screen Data selection screen Select the data to perform communication and press set key switch 2 Communication m...

Page 19: ...nation in the ten key screen or or key Ten key input or or key input is changed according to the kind of data 5 Start of communication After all settings have been completed press communication start...

Page 20: ...ror occurs when the file of different Ver is downloaded Caution It is not possible to store and copy the function setting of the servo motor Folder structure of all sewing machine data MSP file in the...

Page 21: ...older structure of program PRG file in the smart media Download Downloading from the smart media is read from the folder of PROG SC910 Store the copy from other media or the like in the folder of PROG...

Page 22: ...IP 100 Press smart media format switch in the information screen maintenance personnel level Smart media format confirmation screen Formating is performed Confirm again whether formating can be perfor...

Page 23: ...se or the like to our service department since injury by electric shock or failure of panel will be caused If the force more than expected is applied when disassembling the panel case it may be damage...

Page 24: ...wo different kinds of screens of the panel display screen appear due to the difference of the procedures 1 Error screen disappears when the operator removes the cause Example The needle position is no...

Page 25: ...is not possible Return after reset operation E014 Write protect Smart media is in write prohibition state Return after reset operation E015 Format error Formatting cannot be performed Return after re...

Page 26: ...r driver failure Motor driver has broken Turn OFF the power E940 Bird s nest sequence error Bird s nest prevention sequence is not completed Turn OFF the power E941 GA failure Abnormality of gate arra...

Page 27: ...acement of needle information A202 Cleaning warning Press to close warning screen and Refer to perform cleaning Then clear the value in the Instruction Manual clear screen 6 15 2 Sewing Press to clear...

Page 28: ...repared CN48 Safety switch standard When tilting the sewing machine without turning the power OFF the op eration of the sewing machine is prohibited so as to protect against danger Optional switch by...

Page 29: ...ase turn ON the power again WARNING To avoid possible personal injuries caused by movement other than that you desired do not operate the switches in the procedure other than those required as describ...

Page 30: ...e times to change the set No to 5 since the current set value is displayed on LED Standard 0 Caution Keep pressing switch or switch and the setting vaue can be changed continuously 6 When the change h...

Page 31: ...biting 1 Thread trimming is prohibited function Output of solenoid is prohibited Thread trimmer and wiper 10 Setting of Position of needle bar is specified when the sewing machine stops 0 1 34 needle...

Page 32: ...9 36 setting the has stopped holding force 0 Initial value after stop 1 Less effective 9 Highly effective 27 Function of This function sets the magnitude of return force of the needle bar before the...

Page 33: ...olding time of Limitation time of waiting for lifting solenoid type auto lifter device 10 to 600 39 lifting auto lifter second 48 Pedal stroke 1 Position where thread trimming starts from pedal neutra...

Page 34: ...on of temporary stop of the sewing machine at the start of the time of completion of reverse feed stitching at the start of sewing sewing 61 Function of starting Function of starting prohibition of th...

Page 35: ...itching is performed only when aforementioned changeover is made Upper stop upper stop 94 Continuous In IP 100 program functions a function that does not stop the sewing machine 0 1 42 stitching one b...

Page 36: ...Unilateral needle selection function during free stitching enabled Setting is possible only if LH 4168 or LH 4188 is selected for the machine head 111 Unilateral needle When the IP 100 is connected an...

Page 37: ...start the 0 1 47 presser lifter automatic presser lifter function by means of the knee switch switch function 0 OFF The automatic presser lifter is stopped with the knee switch 1 ON The automatic pres...

Page 38: ...When the control panel CP 160 or higher class model is used the function subtracts from the predetermined value and indicates the used amount of bobbin thread For the details refer to the instruction...

Page 39: ...completed and counts the number of completion of the sewing process This can be realized together with the IP 100 control panel Refer to the explanation of the control panel 0 Sewing counter function...

Page 40: ...hing or one stitch compensating stitching 0 Needle up down compensating stitching 1 One stitch compensating stitching Thread trimming motion condition Function setting No 25 This function makes the th...

Page 41: ...the pedal 4 1 0 1 automatic thread trimming is performed after reverse feed stitching as many as the number of stitches specified by the function setting No 31 has been performed When operating touch...

Page 42: ...on of lowering presser foot can be adjusted When the automatic neutral presser foot lifting function is used Adjusting range 0 8 to 5 0 mm 0 1 mm 5 Pedal stroke 2 for starting thread trimming Function...

Page 43: ...sewing Function setting No 51 On timing of solenoid for reverse feed stitching at the start of sewing can be compensated by the unit of angle Adjusting range 36 to 36 1 10 2 Compensation of off timing...

Page 44: ...operly t t t t t Bobbin thread remaining amount detection function Function setting No 57 No 61 This function detects the amount of the bobbin thread used and informs of the time of replacement of the...

Page 45: ...ot p p p p p Function of improving inching operation Function setting Nos 71 and 72 This function improves operability of one stitch sewing by operating the high speed switch for the pedal or sewing m...

Page 46: ...ad trim ming 0 Normal Only needle up down compensating stitching operation 1 One stitch compensating stitching operation upper stop upper stop is performed only when aforementioned changeover is made...

Page 47: ...o be limited when performing reverse feed stitch at sewing end or condensation stitch which is sewn for preventing fray at the end of sewing It is effective to change setting when seams at the sewing...

Page 48: ...r the machine head When using this function it is necessary to set up the presser lifter function selection No 117 at 0 function disabled m m m m m In Corner sewing one shot function Function setting...

Page 49: ...tern Function setting No 111 When the IP 100 is connected and a corner pattern is selected in this condition this function is used to stop use the unilateral needle selection function When 0 disable i...

Page 50: ...nter function Function setting No 115 When the IP 100 is connected this function is used to stop use the right bobbin thread counter 0 off Right bobbin thread counter function disabled 1 on Right bobb...

Page 51: ...achin When using this function it is necessary to set up the presser lifter switch 1 No 106 at 0 function disabled Grease up error reset Function setting No 118 When a grease up error E220 E221 occurs...

Page 52: ...sting screw and return pressure adjusting nut in the same manner as side Caution Apply grease to the shaft sections of sections and when assembling Perform adjustment of the height of spring changed f...

Page 53: ...f the jumper 1 Pressing switch turn ON the power switch 2 Indication on the screen will be as illustrated in At this time the value indicated in the 7 segments of four figures is the compensation valu...

Page 54: ...of the bobbin thread remaining amount detection device AE 1 Connect the connector of material end sensor ED to connector CN45 6P of SC 910 2 Tighten the cord of the material end sensor to gether with...

Page 55: ...rns to the normal motion 4 Repeat the operation 1 to 3 and LED display is turned to FL OFF Then the function of auto lifter does not work FL ON Auto lifter device becomes effective FL OFF Auto lifter...

Page 56: ...C5V 3 N C 4 UDET N Output L is output when needle bar is at LOW position DC5V 5 DDET N Output L is output when needle bar is at UP position DC5V 6 HS N Output Rotation signal 45 pulses rotation DC5V 7...

Page 57: ...turn OFF the power on the way of initializing operation Program of the main unit may be broken 4 Turn OFF the power switch and turn ON the power switch after closing the front cover The machine return...

Page 58: ...1 TRM COM 8 BTD 6 BT COM 13 WPD 2 WP COM 9 SUB BTD 7 SUB BT COM 14 UTSD 4 UTS COM 11 BTSW 5 BTSW RIN 12 3 10 TRM Thread trimming Approx 7 5 BT Touch back Approx 6 5 WP Wiper Approx 8 5 BT SW Touch ba...

Page 59: ...C box and use it o Tighten the cord of the PK70 together with other cords with cable clip band attached to the side of the box after passing it through the cable clamp Caution Be sure to turn OFF the...

Page 60: ...for DC24V Part No M9703351AA0 Wiring diagram o Insert to the yellow connector CN120 2P of DC24V in the PSC box and use it Reference for use is approximately one piece of solenoid valve Up to 100mA CN3...

Page 61: ...re move them 2 Use the fuse of which capacity is specified 2A 250V time lag fuse regenerative resistance protection fuse Part No KF000000040 6 3A 250V time lag fuse solenoid power fuse Part No KF00000...

Page 62: ...hanging the changeover connector Connect to 200V the 100 200V changeover con nector of FLT p c b located on the upper side of the right side face as observed from the rear cover side Connect the crimp...

Page 63: ...ow are added the following models can be used No Item name Item No Model Remarks DDL 5556N 7 1 I O board asm 40006077 LH 4168 7 LH 4188 7 2 EPF Board set 40022484 DLU 5494N 7 For the DLU 5494N 7 selec...

Page 64: ...top position of the sewing machine When tightening the screw in the Securely tighten the screw in the varies irregular handwheel is forgotten at the time of handwheel adjustment of needle stop positio...

Page 65: ...itch in the control box SC 910 SC 910A turn ON the power switch 2 LED becomes display with the sound of peep and the latest error code is displayed 3 Confirmation of the contents of previous error can...

Page 66: ...ion bar Check whether the detection bar of the unit failure of the AE device is shifted from the AE device has returned to the correct home position position Check whether the function setting No 57 h...

Page 67: ...UT FOR BARDAN 5 OUTPUT FOR NEEDLE COOLER 6 I F RS 232C FOR PC 7 CORRESPONDING TO DIN STANDARD 8 AEC I F FOR AUTOMATIC MACHINE CN40 AK118 CN42 EXTERNAL OUTPUT INPUT CN44 POWER I F SIGNAL CN41 POWER CN3...

Page 68: ...2 IP 100 operation panel block diagram 64...

Page 69: ...hole at the time of set up 2 x 3 5 depth 10 1200 810 307 50 75 18 18 drilled hole 3 25 5 107 47 1 28 80 80 72 2 339 7 1 52 75 5 0 1 14 9 68 1 0 5 90 52 5 195 100 125 40 195 300 480 500 525 591 21 50 2...

Page 70: ...at the time of set up 2 x 3 5 depth 10 1200 810 296 50 166 5 17 drilled hole 80 80 172 5 279 1 52 14 9 68 1 0 5 125 52 5 154 6 90 40 195 300 520 500 525 4 591 21 50 20 40 91 390 10 244 181 0 136 22 5...

Page 71: ...pan E This manual uses environment friendly soyink The environmental management system to promote and conduct 1the technological and technical research the development and design of the products in wh...

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